Weather Records on 18 September 1930

124 weather records were set or tied worldwide on 18 September 1930. Highest significance: The Dalles, US.

Key Facts for 18 September 1930

On 18 September 1930, 124 weather records were set or tied at long-record stations worldwide.
76 were record highs and 20 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 3 monthly and 121 daily.
The Dalles set a daily record high minimum temperature of 18.9 C (66.0 F) on 18 September 1930.
Across 163 earlier years (1803 to 2026) the same calendar date averaged 423 records.

Record Map

124 stations

124 station records on 18 September 1930 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 September 1930: highest significance records shown on the map
Station	Country	Type	Value	Significance
The Dalles	United States	Record high minimum temperature	18.9 C (66.0 F)	30 of 100 (Routine)
Oksoey Fyr	Norway	Record daily precipitation	26.0 mm (1.0 in)	28 of 100 (Routine)
Bucuresti Filaret	Romania	Record daily precipitation	28.6 mm (1.1 in)	27 of 100 (Routine)
Nelyambo	Australia	Record daily precipitation	7.9 mm (0.31 in)	20 of 100 (Routine)
Franklyn Vale	Australia	Record daily precipitation	19.6 mm (0.8 in)	20 of 100 (Routine)
Galway	Ireland	Record daily precipitation	16.3 mm (0.6 in)	20 of 100 (Routine)
Montagu (Pol)	South Africa	Record daily precipitation	8.1 mm (0.32 in)	20 of 100 (Routine)
Oracle	United States	Record high maximum temperature	36.1 C (97.0 F)	20 of 100 (Routine)
Hawkinsville	United States	Record daily precipitation	41.9 mm (1.6 in)	20 of 100 (Routine)
Spokane Intl AP	United States	Record high minimum temperature	15.0 C (59.0 F)	19 of 100 (Routine)
Frome Downs	Australia	Record daily precipitation	9.7 mm (0.38 in)	18 of 100 (Routine)
Svirica	Russia	Record daily precipitation	12.7 mm (0.5 in)	18 of 100 (Routine)
Biloxi	United States	Record daily precipitation	56.6 mm (2.2 in)	18 of 100 (Routine)
El Paso	United States	Record high maximum temperature	36.1 C (97.0 F)	18 of 100 (Routine)
Uniondale (Tnk)	South Africa	Record daily precipitation	3.8 mm (0.15 in)	17 of 100 (Routine)
Springer	United States	Record high maximum temperature	34.4 C (93.9 F)	17 of 100 (Routine)
Tashkent	Uzbekistan	Record low minimum temperature	5.1 C (41.2 F)	17 of 100 (Routine)
Goondiwindi Post Office	Australia	Record daily precipitation	38.9 mm (1.5 in)	16 of 100 (Routine)
Baxter	United States	Record high maximum temperature	36.7 C (98.1 F)	16 of 100 (Routine)
Fayette	United States	Record high maximum temperature	33.3 C (91.9 F)	16 of 100 (Routine)
Roswell Muni AP	United States	Record high maximum temperature	35.6 C (96.1 F)	16 of 100 (Routine)
Quatsino	Canada	Record high minimum temperature	17.2 C (63.0 F)	15 of 100 (Routine)
Nuwara Eliya	Sri Lanka	Record high minimum temperature	14.4 C (57.9 F)	15 of 100 (Routine)
Talladega	United States	Record daily precipitation	31.8 mm (1.3 in)	15 of 100 (Routine)
Saguache	United States	Record high maximum temperature	32.2 C (90.0 F)	15 of 100 (Routine)
Ames 3 SW	United States	Record high maximum temperature	34.4 C (93.9 F)	15 of 100 (Routine)
Iowa Falls	United States	Record high maximum temperature	33.9 C (93.0 F)	15 of 100 (Routine)
Fergus Falls	United States	Record high maximum temperature	31.1 C (88.0 F)	15 of 100 (Routine)
Ft Bayard 4W	United States	Record high maximum temperature	30.6 C (87.1 F)	15 of 100 (Routine)
New Orleans Audubon	United States	Record low maximum temperature	22.8 C (73.0 F)	15 of 100 (Routine)
Cedar Rapids #1	United States	Record high maximum temperature	33.9 C (93.0 F)	14 of 100 (Routine)
Guthrie Ctr	United States	Record high maximum temperature	33.3 C (91.9 F)	14 of 100 (Routine)
Indianola 1SW	United States	Record high maximum temperature	33.9 C (93.0 F)	14 of 100 (Routine)
Franklin 3 NW	United States	Record low maximum temperature	23.3 C (73.9 F)	14 of 100 (Routine)
Schriever	United States	Record low maximum temperature	22.8 C (73.0 F)	14 of 100 (Routine)
Marion	United States	Record daily precipitation	31.2 mm (1.2 in)	14 of 100 (Routine)
Wahpeton 3 N	United States	Record high maximum temperature	31.7 C (89.1 F)	14 of 100 (Routine)
Academy 2NE	United States	Record high maximum temperature	36.7 C (98.1 F)	14 of 100 (Routine)
Moncton	Canada	Record high maximum temperature	26.7 C (80.1 F)	13 of 100 (Routine)
Arhangelsk	Russia	Record daily precipitation	13.2 mm (0.5 in)	13 of 100 (Routine)
Elsinore	United States	Record low minimum temperature	3.9 C (39.0 F)	13 of 100 (Routine)
Lake City 2 E	United States	Record daily precipitation	34.3 mm (1.4 in)	13 of 100 (Routine)
Orono	United States	Record high minimum temperature	16.1 C (61.0 F)	13 of 100 (Routine)
Corinne	United States	Record high minimum temperature	15.0 C (59.0 F)	13 of 100 (Routine)
Great Brak River	South Africa	Record daily precipitation	5.6 mm (0.22 in)	12 of 100 (Routine)
Avon Park 2 W	United States	Record high minimum temperature	24.4 C (75.9 F)	12 of 100 (Routine)
Covington 8 WNW	United States	Record low maximum temperature	23.3 C (73.9 F)	12 of 100 (Routine)
Oelrichs	United States	Record high minimum temperature	17.2 C (63.0 F)	12 of 100 (Routine)
Quantico 1 S	United States	Record high maximum temperature	31.7 C (89.1 F)	12 of 100 (Routine)
Glenville	United States	Record low minimum temperature	3.3 C (37.9 F)	12 of 100 (Routine)
Evergreen	United States	Record daily precipitation	23.1 mm (0.9 in)	11 of 100 (Routine)
De Funiak Springs 1 E	United States	Record daily precipitation	52.3 mm (2.1 in)	11 of 100 (Routine)
Hypoluxo	United States	Record high minimum temperature	26.7 C (80.1 F)	11 of 100 (Routine)
Leakesville 6 WSW	United States	Record daily precipitation	38.1 mm (1.5 in)	11 of 100 (Routine)
Bosque del Apache	United States	Record high maximum temperature	35.0 C (95.0 F)	11 of 100 (Routine)
Ft Mc Intosh	United States	Record low maximum temperature	26.1 C (79.0 F)	11 of 100 (Routine)
Harnosand	Sweden	Record low minimum temperature	-1.0 C (30.2 F)	10 of 100 (Routine)
Grundy Ctr	United States	Record high maximum temperature	33.3 C (91.9 F)	10 of 100 (Routine)
Webster City	United States	Record high maximum temperature	33.3 C (91.9 F)	10 of 100 (Routine)
Princeton	Canada	Record high minimum temperature	10.0 C (50.0 F)	9 of 100 (Routine)

Counts by Type and Timescale

124 records

Records set or tied on 18 September 1930 by type: Highest daily maximum 53, Lowest daily maximum 12, Highest daily minimum 23, Lowest daily minimum 8, Heaviest daily rainfall 28.

Records on 18 September 1930 by type
Record type	Records
Highest daily maximum	53
Lowest daily maximum	12
Highest daily minimum	23
Lowest daily minimum	8
Heaviest daily rainfall	28
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 18 September 1930 by timescale: all-time 0, monthly 3, daily 121.

How Much Records Were Beaten By

79 broken records

Margins by which the 79 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 25.4. Ties are not counted.

Top 20 by Significance

18 September 1930

Top 20 records on 18 September 1930 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 September 1930	The Dalles, US	daily high min	18.9 C (66.0 F)	6.1 C (11.0 F)	35 years	30 of 100 (Routine)
18 September 1930	Oksoey Fyr, NO	daily rain	26.0 mm (1.0 in)	10.3 mm (0.4 in)	38 years	28 of 100 (Routine)
18 September 1930	Bucuresti Filaret, RO	daily rain	28.6 mm (1.1 in)	16.3 mm (0.6 in)	21 years	27 of 100 (Routine)
18 September 1930	Nelyambo, AU	daily rain	7.9 mm (0.31 in)	1.5 mm (0.06 in)	52 years	20 of 100 (Routine)
18 September 1930	Franklyn Vale, AU	daily rain	19.6 mm (0.8 in)	9.9 mm (0.39 in)	24 years	20 of 100 (Routine)
18 September 1930	Galway, IE	daily rain	16.3 mm (0.6 in)	3.1 mm (0.12 in)	28 years	20 of 100 (Routine)
18 September 1930	Montagu (Pol), ZA	daily rain	8.1 mm (0.32 in)	6.1 mm (0.24 in)	37 years	20 of 100 (Routine)
18 September 1930	Oracle, US	daily high max	36.1 C (97.0 F)	2.2 C (4.0 F)	35 years	20 of 100 (Routine)
18 September 1930	Hawkinsville, US	daily rain	41.9 mm (1.6 in)	20.6 mm (0.8 in)	20 years	20 of 100 (Routine)
18 September 1930	Spokane Intl AP, US	daily high min	15.0 C (59.0 F)	1.7 C (3.1 F)	38 years	19 of 100 (Routine)
18 September 1930	Frome Downs, AU	daily rain	9.7 mm (0.38 in)	6.9 mm (0.27 in)	24 years	18 of 100 (Routine)
18 September 1930	Svirica, RU	daily rain	12.7 mm (0.5 in)	5.0 mm (0.20 in)	12 years	18 of 100 (Routine)
18 September 1930	Biloxi, US	daily rain	56.6 mm (2.2 in)	25.4 mm (1.0 in)	21 years	18 of 100 (Routine)
18 September 1930	El Paso, US	daily high max	36.1 C (97.0 F)	2.8 C (5.0 F)	29 years	18 of 100 (Routine)
18 September 1930	Uniondale (Tnk), ZA	daily rain	3.8 mm (0.15 in)	1.5 mm (0.06 in)	37 years	17 of 100 (Routine)
18 September 1930	Springer, US	daily high max	34.4 C (93.9 F)	1.6 C (2.9 F)	37 years	17 of 100 (Routine)
18 September 1930	Tashkent, UZ	daily low min	5.1 C (41.2 F)	1.1 C (2.0 F)	30 years	17 of 100 (Routine)
18 September 1930	Goondiwindi Post Office, AU	daily rain	38.9 mm (1.5 in)	7.7 mm (0.30 in)	12 years	16 of 100 (Routine)
18 September 1930	Baxter, US	daily high max	36.7 C (98.1 F)	4.5 C (8.1 F)	20 years	16 of 100 (Routine)
18 September 1930	Fayette, US	daily high max	33.3 C (91.9 F)	2.2 C (4.0 F)	34 years	16 of 100 (Routine)

Significance is a score from 0 to 100 combining margin, the age of the old record and the length of the station's record. How it is computed.

The Same Date in Other Years

1803 to 1930

Records set or tied on this calendar date in each year from 1803 to 1930. 1930 had 124 records.

Counts for years before the ledger starts come from the same station rules.

Records on 09-18 in each year
Year	Records
1803	1
1811	1
1814	1
1819	1
1829	1
1832	1
1834	1
1835	1
1837	2
1847	2
1848	1
1849	1
1851	4
1859	1
1861	1
1865	1
1869	1
1871	1
1875	1
1876	2
1877	1
1879	1
1880	1
1881	1
1882	1
1885	1
1886	4
1889	6
1890	1
1891	1
1893	4
1894	2
1895	2
1896	4
1897	3
1898	5
1899	3
1900	2
1901	10
1902	8
1903	58
1904	6
1905	22
1906	16
1907	4
1908	11
1909	17
1910	5
1911	8
1912	43
1913	44
1914	56
1915	41
1916	58
1917	99
1918	57
1919	48
1920	56
1921	213
1922	45
1923	114
1924	62
1925	269
1926	205
1927	189
1928	114
1929	309
1930	124
1931	429
1932	226
1933	370
1934	188
1935	281
1936	155
1937	422
1938	373
1939	190
1940	402
1941	318
1942	1,001
1943	624
1944	503
1945	732
1946	576
1947	927
1948	427
1949	356
1950	370
1951	320
1952	340
1953	245
1954	446
1955	672
1956	587
1957	429
1958	491
1959	829
1960	351
1961	478
1962	360
1963	453
1964	282
1965	1,172
1966	498
1967	357
1968	763
1969	424
1970	377
1971	1,245
1972	691
1973	593
1974	559
1975	976
1976	615
1977	619
1978	1,162
1979	709
1980	652
1981	1,671
1982	603
1983	936
1984	951
1985	636
1986	730
1987	1,244
1988	997
1989	778
1990	904
1991	1,377
1992	821
1993	747
1994	852
1995	935
1996	1,237
1997	935
1998	1,038
1999	583
2000	1,146
2001	993
2002	828
2003	815
2004	1,027
2005	781
2006	1,309
2007	670
2008	697
2009	692
2010	1,040
2011	1,050
2012	922
2013	666
2014	682
2015	934
2016	893
2017	518
2018	1,200
2019	768
2020	682
2021	582
2022	613
2023	639
2024	687
2025	471
2026	864

Download the Data

Data for records on 1930-09-18: CSV or JSON. Field meanings are on the data page.

Sources: Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Made with Natural Earth. Public domain map data. Borders are Natural Earth's de facto depiction. Data as of 2026-10-17 (17 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 5	63
5 to 10	9
10 to 15	4
15 to 20	1
20 to 25	1
25 to 30	1